:root{--ink:#34362f;--paper:#f6f2e7;--accent:#a35c43;--line:#ccc7b8;font-family:Georgia,'Times New Roman',serif;color:var(--ink);color-scheme:light}*{box-sizing:border-box}body{margin:0;background:#d9d5c7;overflow:hidden}button,input{font:inherit}button{color:inherit;cursor:pointer}button:focus-visible,input:focus-visible{outline:2px solid #94734b;outline-offset:4px}button{touch-action:manipulation}#world{position:relative;height:100svh;min-height:500px;overflow:hidden}#scene{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:grab}#scene:active{cursor:grabbing}.masthead{position:absolute;top:24px;left:30px;right:30px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.masthead button{pointer-events:auto}.masthead>button:first-child{display:flex;align-items:center;gap:11px;background:none;border:0;text-align:left;font:600 11px/1.6 sans-serif;letter-spacing:2.5px}.monogram{font:italic 38px/1 Georgia;letter-spacing:-4px;padding-right:5px}.edition{display:block;font-size:7px;letter-spacing:2px;opacity:.5}.quiet{font:12px Georgia;background:#f7f4eb9c;border:1px solid #ffffff8c;border-radius:18px;padding:10px 16px;backdrop-filter:blur(12px)}.camera-tools{position:absolute;top:84px;right:32px;display:flex;gap:2px;padding:4px;border-radius:24px;background:#f6f2e7b8;border:1px solid #ffffff8c;backdrop-filter:blur(12px);box-shadow:0 3px 15px #373b2821}.camera-tools button{border:0;background:transparent;font:11px sans-serif;border-radius:18px;padding:8px 11px;white-space:nowrap}.camera-tools .chosen{background:#4b514b;color:#fff}.caption{position:absolute;bottom:169px;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;gap:10px;width:calc(100% - 40px);font-size:13px;text-shadow:0 1px #fff9;pointer-events:none}.chapter-tag{font:9px sans-serif;letter-spacing:1px;color:#8b5d45}.interaction-hint{font:10px sans-serif;letter-spacing:.3px;margin-left:14px;color:#62675d}.experiment-controls{position:absolute;bottom:76px;left:50%;transform:translateX(-50%);width:min(640px,calc(100% - 28px));background:#f6f2e7e8;box-shadow:0 8px 30px #38382818;border:1px solid #fffc;border-radius:9px;padding:12px 20px 8px;backdrop-filter:blur(14px)}#sliders{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.slider label{display:flex;justify-content:space-between;align-items:center;font:9px/1.2 sans-serif;letter-spacing:1.2px}.slider output{font:italic 13px Georgia;letter-spacing:0;color:#91583b}.slider input{margin:9px 0 4px;width:100%}input[type=range]{appearance:none;background:#cecbbd;height:3px;border-radius:5px;cursor:pointer;accent-color:#886f4c}input[type=range]::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid #826a47;box-shadow:0 1px 3px #0003}.timeline{display:flex;align-items:center;gap:12px;border-top:1px solid #c8c3b455;padding-top:8px;margin-top:3px}.timeline label{font:7px sans-serif;letter-spacing:1.2px;opacity:.55}.timeline input{flex:1;margin:0}.timeline output{font:10px sans-serif;min-width:35px;text-align:right;color:#6c7066}.dock{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:5px;min-height:46px;padding:5px 12px;background:#f9f7efdf;border:1px solid #fff;border-radius:28px;box-shadow:0 7px 30px #3d3e3130;backdrop-filter:blur(18px)}.dock button{border:0;background:transparent;border-radius:50%;min-width:30px;height:32px;padding:0 8px;font-size:18px}.dock button:hover{background:#888b741a}.dock button[aria-pressed=true]{background:#d3ddcf;color:#3a624c}.dock #play{font-size:13px}.dock #chapterName{border-radius:0;text-align:left;min-width:207px;font-size:16px;padding:0 12px;white-space:nowrap}.dock #chapterName b{font:600 12px Georgia;color:var(--accent);margin-right:6px}.dock #slow{font:12px sans-serif}.separator{height:20px;border-left:1px solid #d4d0c5;margin:0 4px}.dock #help{border:1px solid #aaa992;min-width:22px;height:22px;font-size:12px;padding:0 6px;margin:0 6px}footer{position:absolute;bottom:24px;right:28px;font-size:10px;opacity:.45;pointer-events:none}#inspector{position:absolute;top:136px;right:32px;max-width:265px;padding:22px;background:#faf7edeb;border:1px solid #fff;border-radius:3px;box-shadow:0 10px 30px #34382e26;backdrop-filter:blur(12px)}#inspector[hidden]{display:none}#inspector>button{position:absolute;top:6px;right:8px;background:none;border:0;font-size:22px}#inspector small{font:8px sans-serif;letter-spacing:2px;color:var(--accent)}#inspector h2{font-size:22px;font-weight:400;margin:10px 0}#inspector p{font-size:13px;line-height:1.65;margin:0}dialog{border:1px solid #fff;max-width:min(520px,calc(100% - 28px));max-height:85svh;border-radius:4px;background:var(--paper);color:var(--ink);padding:42px;box-shadow:0 25px 90px #242a2a55}dialog::backdrop{background:#27302e4d;backdrop-filter:blur(6px)}dialog h2{font-size:36px;font-weight:400;letter-spacing:-1px;margin:10px 0 12px}dialog p{font-size:15px;line-height:1.65}.eyebrow{font:9px sans-serif!important;letter-spacing:2px;color:var(--accent)}.dialog-close{position:absolute;right:15px;top:12px;border:0;background:none;font-size:25px}.chapter-link{display:grid;grid-template-columns:25px 1fr 70px;align-items:center;gap:12px;width:100%;padding:20px 0;border:0;border-top:1px solid #c8c0ab;background:none;text-align:left}.chapter-link>span{font:10px sans-serif;color:var(--accent)}.chapter-link strong{font-size:17px;font-weight:400}.chapter-link i{font-size:18px;text-align:right}.dialog-foot{font-size:12px!important;color:#7d7b6d;margin-top:26px}#readingContent h3{font-size:15px;letter-spacing:1px;margin:28px 0 6px}#readingContent .math{font-style:italic;font-size:40px;border-block:1px solid var(--line);padding:16px 0}#readingContent button{display:block;width:100%;background:transparent;text-align:left;border:1px solid #c8c0ab;padding:10px;margin-top:8px}#readingContent button.selected{background:#dce5d4}#loading{position:absolute;inset:0;display:grid;align-content:center;justify-items:center;gap:10px;background:#e6e0d0;z-index:20;transition:opacity .6s}#loading.done{opacity:0;pointer-events:none}#loading h1{font-size:34px;font-weight:400;margin:0}#loading p{font-size:13px;color:#77766a}.loading-icon{font:italic 38px Georgia;color:#9d5f43}#loading.error{padding:30px;text-align:center}kbd{font-size:10px;padding:3px 7px;border:1px solid #bcb8ac;border-radius:3px}@media(max-width:700px){.masthead{top:15px;left:12px;right:14px}.edition{font-size:6px}.quiet{font-size:10px;padding:9px 12px}.camera-tools{top:65px;right:12px}.camera-tools button{font-size:10px;padding:7px 10px}.caption{bottom:170px;flex-wrap:wrap;font-size:11px;gap:5px}.interaction-hint{display:block;flex-basis:100%;text-align:center;font-size:8px;margin-left:0}.experiment-controls{padding:10px 13px 8px}#sliders{gap:18px}.slider label{font-size:7px;letter-spacing:.7px}.slider output{font-size:11px}.dock{gap:0;padding:5px 7px;bottom:15px;max-width:calc(100% - 16px)}.dock #chapterName{min-width:140px;font-size:12px;padding:0 4px}.dock button{min-width:28px;font-size:16px;padding:0 6px}.dock #sound,.dock #help,.separator{display:none}footer{display:none}#inspector{top:110px;right:12px;width:230px;padding:17px}dialog{padding:30px 24px}dialog h2{font-size:30px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}#loading{transition:none}}
:root .sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.experiment-controls{width:min(850px,calc(100% - 28px));padding:12px 18px 7px}.caption{bottom:285px}.interaction-hint{display:none}#sliders{grid-template-columns:repeat(var(--columns,2),minmax(0,1fr));gap:20px}#liveResults{display:grid;grid-template-columns:1fr 1fr;gap:14px;font:12px/1.5 Georgia;border-bottom:1px solid #c8c3b4;padding-bottom:9px;margin-bottom:11px;min-height:28px}#liveResults b{color:#91583b;margin-right:5px}#liveResults.matched{color:#326d54}#labActions{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:6px}#labActions button{background:#eee9dc;border:1px solid #c8c0ab;border-radius:5px;font:11px/1.3 Georgia;padding:7px 10px;min-height:30px}#labActions .primary{background:#566f62;color:#fff;border-color:#566f62}button:disabled{opacity:.45;cursor:default}#holdPush{touch-action:none;user-select:none;-webkit-user-select:none}#holdPush.holding{background:#a46345;box-shadow:0 0 0 3px #a4634533}#feedback{font:11px/1.4 Georgia;color:#5a6557;margin:8px 0 4px;min-height:16px}#pinResult{font:11px/1.5 Georgia;color:#526985;background:#e0e7ed88;padding:5px 8px;margin:5px 0}#resetTrial{border:0;background:transparent;font-size:20px;padding:0 4px;line-height:18px}.dock #chapterName{font-size:14px;min-width:225px}.timeline{padding-top:6px}#readingContent h3{font-size:13px;color:#8a593f}#readingContent a{color:#526d62}#loading.done{visibility:hidden}.slider input{height:5px;min-height:5px}input[type=range]::-webkit-slider-thumb{width:15px;height:15px}
@media(max-width:700px){#sliders{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}.experiment-controls{bottom:70px;padding:10px 12px 7px}#liveResults{font-size:10px;gap:7px;margin-bottom:8px;padding-bottom:7px}#liveResults span{line-height:1.5}#labActions{gap:4px}#labActions button{font-size:10px;padding:6px 8px}#feedback,#pinResult{font-size:10px}.caption{bottom:auto;top:108px;max-width:calc(100% - 24px);padding:5px 9px;background:#f5f1e6b8;border-radius:5px;font-size:10px}.dock #chapterName{min-width:169px;font-size:11px}.slider label{font-size:8px}.slider output{font-size:11px}#inspector{z-index:5}.camera-tools{top:65px}.timeline label{font-size:8px}}
@media(max-height:650px) and (min-width:701px){.experiment-controls{padding:7px 12px;bottom:65px}#liveResults{margin-bottom:7px;padding-bottom:5px}#feedback{margin:4px 0}#labActions button{padding:4px 8px;min-height:25px}.caption{top:73px;bottom:auto}.camera-tools{top:76px}.dock{bottom:8px}}
@media(min-width:701px) and (min-height:651px){.caption{bottom:calc(86px + var(--tray-height,190px))}}